<template>
  <div class="app-container">
    <!-- 将 ref="queryForm" 修改为 ref="queryFormRef" -->
    <el-form
      :model="queryParams"
      ref="queryFormRef"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="歌手名" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入歌手名"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="地区" prop="region">
        <el-input
          v-model="queryParams.region"
          placeholder="请输入地区"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" size="mini" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="Refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['music:artist:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="Edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['music:artist:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="Delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['music:artist:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['music:artist:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        v-model:showSearch="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="artistList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="歌手ID" align="center" prop="artistId" />
      <el-table-column label="歌手名" align="center" prop="name" />
      <el-table-column label="地区" align="center" prop="region" />
      <el-table-column
        label="歌手照片"
        align="center"
        prop="photoUrl"
        width="100"
      >
        <!-- 修改插槽语法 slot-scope="scope" -> #default="scope" -->
        <template #default="scope">
          <image-preview :src="scope.row.photoUrl" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="歌手简介" align="center" prop="introduction" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <!-- 修改插槽语法 slot-scope="scope" -> #default="scope" -->
        <template #default="scope">
          <el-button
            size="mini"
            type="text"
            icon="Edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['music:artist:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="Delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['music:artist:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改歌手对话框 -->
    <!-- 修改 :visible.sync="open" -> v-model="open" -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <!-- 将 ref="form" 修改为 ref="formRef" -->
      <el-form ref="formRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="歌手名" prop="name">
          <el-input v-model="form.name" placeholder="请输入歌手名" />
        </el-form-item>
        <el-form-item label="地区" prop="region">
          <el-input v-model="form.region" placeholder="请输入地区" />
        </el-form-item>
        <el-form-item label="歌手照片" prop="photoUrl">
          <image-upload v-model="form.photoUrl" />
        </el-form-item>
        <el-form-item label="歌手简介" prop="introduction">
          <el-input
            v-model="form.introduction"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input
            v-model="form.remark"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
      </el-form>
      <!-- 修改插槽语法 div slot="footer" -> template #footer -->
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>
<script setup name="Artist">
import {
  listArtist,
  getArtist,
  delArtist,
  addArtist,
  updateArtist,
} from "@/api/music/artist";
import { ref, reactive, toRefs, getCurrentInstance } from "vue";

const { proxy } = getCurrentInstance();

// --- 数据状态 ---
const artistList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    name: undefined,
    region: undefined,
    photoUrl: undefined,
    introduction: undefined,
  },
  rules: {
    name: [{ required: true, message: "歌手名不能为空", trigger: "blur" }],
  },
});

const { queryParams, form, rules } = toRefs(data);

// --- 方法 ---

/** 查询歌手列表 */
function getList() {
  loading.value = true;
  listArtist(queryParams.value).then((response) => {
    artistList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

/** 取消按钮 */
function cancel() {
  open.value = false;
  reset();
}

/** 表单重置 */
function reset() {
  form.value = {
    artistId: undefined,
    name: undefined,
    region: undefined,
    photoUrl: undefined,
    introduction: undefined,
    remark: undefined,
  };
  proxy.resetForm("formRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryFormRef");
  handleQuery();
}

/** 多选框选中数据 */
function handleSelectionChange(selection) {
  ids.value = selection.map((item) => item.artistId);
  single.value = selection.length !== 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加歌手";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const artistId = row.artistId || ids.value[0];
  getArtist(artistId).then((response) => {
    form.value = response.data;
    open.value = true;
    title.value = "修改歌手";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["formRef"].validate((valid) => {
    if (valid) {
      if (form.value.artistId != null) {
        updateArtist(form.value).then((response) => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addArtist(form.value).then((response) => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const artistIds = row.artistId || ids.value;
  proxy.$modal
    .confirm('是否确认删除歌手编号为"' + artistIds + '"的数据项？')
    .then(function () {
      return delArtist(artistIds);
    })
    .then(() => {
      getList();
      proxy.$modal.msgSuccess("删除成功");
    })
    .catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download(
    "music/artist/export",
    {
      ...queryParams.value,
    },
    `artist_${new Date().getTime()}.xlsx`
  );
}

// --- 初始化 ---
getList();
</script>
